vlib/v/checker/tests/mut_arg_different_muls_err.vv:26:21: error: cannot use `&Window` as `&&Window` in argument 1 to `window_resized`
   24 | 
   25 | fn on_event(mut w Window) {
   26 |     window_resized(mut w)
      |                        ^
   27 | }
   28 |
